package com.md03.dao;

import com.md03.entity.Teacher;

//数据处理层，类比采购员
//接口，好比采购员岗位职责
public interface TeacherDao {
    //增
    //删
    //改
    //查

    //根据编号查询
    Teacher selectOneById(int id);

    //增加
//    int addTeacher(Teacher teacher);

    //删除
    int deleteTeacherById(int id);

    //修改
//    int editTeacher(Teacher teacher);


}
